https://solarscopeusa.com2019-09-15T08:15:35Z2014-02-15T18:24:57Z2014-02-15T18:24:57Zhttps://solarscopeusa.com/http://www.astronomy.com/observing/product-reviews/2009/05/solarscope-sun-viewerEarly product release and review article published in Astronomy magazine and online.